Incandescent lamp socket remover



Feb. 7, 1933.- F. l.. PALMER INCANDESCENT LAMP SOCKET REMOVER Filed May 5, 1932 Patented Feb. 7, 1933` FLOYD L runnin,` or 'w'AvEnnEia MA'ssACnUsETTs, Assrcnon To LUNmN ELECTRIC a MACHINE 00.,E BOSTON, MASSACHUSETTSy INCANDESCENT LAMP soCEET EEMOVER Y. .Application filed VMay 5, 1932. Serial No.1609,446.

My present invention relates to incandescent lamp socket removers andvmore particularly to a lamp socketremover which may be used in high places ordinarilyznot accessible by hand. In a toolfof this this character, `it is necessary to have a positively operated mechanism which may easily be placed about thesocket and which when released will lock about thesocket to prevent slipping orotherwise releasingthe socket from engagementv untilthe operator is ready to do so. In my present device I have de.-

signed such a tool` providedwitha locking mechanism which will close the jaws'of the i cage portion aroundthe socket andremain j in a iiXed lockediposition even though the jaws are not perfectly seated about the socket due to the fact that the jaws automatically are allowed to close but arevprevented from .-v reopening untilV the operator is ready to release the tool.

AThe principal object of my invention is an improved incandescent lamp socket remover.

Another object is a positive locking mechanism which locks the jaws in one direction and which will release said jawsandopen them aty any desired time. I

Other objects andnovel features comprising the construction andV operation of my in#l -J vention will be apparent as thedescription of the same progresses. .y v

-In the drawing illustratingthel preferred embodiment ofmy invention, Fig. 1 illus-Y trates a side elevation of the tool, the cover plate normally covering the lockingmecha; vnism having been removed. 'Ihe full `lines show the tool with the jaws in a nearly closed position and the broken lines showing the tool in a fully opened position. j v

= Fig. 2is a fragmentary' side elevation similar to Fig. 1 but showing thelocking mecha nism invan interlocked position .just prior to the opening of the jaws as` shown in the broken line position of Fig. 1; L

I Referring morefin detail tothe drawing,

with particular reference to Fig. 1, the tool comprises in general an upper cage element divided into a Afixed jaw portion 8 and a pivoted jaw portion 9, each of said jaw members comprising' af number y of lelements hereinafter .by means of screws v13. i The tubular member 55 j 12may be of any desired length and may be composed of extension members attached lowerl down (not shown in drawing)l for the purpose of operating the tool at any desired distances. Y Attached to the upper right hand 610iA side of thev casing and integral with the casing is av supporting frame member 14 the` upper portion of which terminatesA in ahollow semi-circular collar portion 15 comprising the iixed jaw portion 8. The collar portion 15 is further provided withlug members 16 to which are `attached substantially flat flexible bar members17, the bottomends of said bar membersbeing solidly attached to the upper side of the casing 10.l The oppo- 70, site side of this fixed jaw portion is provided with a duplicate set of bar members 17, being attached inl a similar manner'to the casing 10 and the opposite side of the collar 15.

1y disposed between the bar members located on either side vof the tool'. VA* movable jaw member 9, ispivoted Vat 18 about a stud 19 Y which is solidly attachedv tothe back 2O of the casing 10. .The movablerjaw member 9'is constructedidentically the sameas the. said irst'jawmember Vcomprising the ,central sup,- portinggmember 14a, bars 17 a, and collar 15a. Both the members 14 and 14a are provided with horizontal strap members`21 and 8514 21a, to which thebar members 17 and 17a are riveted asshown in 1;

v The adjustablejawfmember 9is provided with a downwardly projecting `portion 22 having rthe recessed inner surface 23 on a one side and a pin 24 solidly embedded therein over which isV placed a slotted link member 25.

One end of the linkmemberis pivoted to a pin. 26 embedded in a cam member 27 which forms a portion of the lever 2 8 which is further provided with a hub portion 29 pivoted at 30 about a stud`31 solidly attached to the back 2O of the casing 10. i j The cam portion` 27 is internally slottedrat 32 for the purpose ofreceiving the looped end of a spring wire 32a which is a continuation of a coiled spring 33 anchored in the tubular member 12 at its lower end by means of the pin 34C. The upper looped end of the wire 33 being secured by means of the pin 2G located in the cam portion 27. The sides of the casing 1() are cut away in the upper left hand corner as indicated at 35 to allow the movable aw member to swinginto the broken line position shown in F ig. 1. A cover plate 3G comprising a flat rectangular member having the general out line of the casing 10 is provided for the purpose of keeping the locking members in place and is secured to the casing- '10 by means of screws, not shown, adapted to thread into the threaded orifices 37 in the center of the stud members 19 and 31. The link member 25, upper surface 37 of the movable jaw member 9, the face of thestuds 19 and 31, as well as the hub 30 of the lever are all in the same plane as the upper surfaces 38 of the side portions of the casing 10 and the inner surface of the lower plate 36 comprises the side bearing for said elements.

In operation, the lever 28 is pulled down by either a cord or a wire 39 which is controlled by the hand of the operator from a point below andas it reaches'the position shown in Fig. 2, the cam 27 which locks the jaws has now passed upwardly into the position shown in F 2 and the slotted link 25 has reached the end of its travel on the pin 24 and by continuing the downward movement of the lever arm 28 into a broken line position of Fig. 1, the movable jaw is pulled open by the link 25 into the position shown by dotted lines in Fig. 1. In this position the jaw members may be passed over an incandescent lamp and the collar member 15a placed against the side of a lamp socket. The operator now releases a lever 28 andthe spring 38 which is under tension at thispoint draws down the cam 27 and brings the movable jaw member 9 into contact with the other side of the lamp socket. The engagement of the cam 27 with the lower right hand side 22 of the movable jaw member 9 prevents the movable jaw member from opening again but may allow it to close urther should it not be properly seated around the socket in the first instance. Due to this flexibility of locking range, the diameters of the sockets on which the tool may be used may vary within wide limits with the tool functioning properly.

Having thus described my invention what I claim is:

1. An incandescent lamp socket remover comprising a casing adapted to house pivoted operative members, a split cage member located above said casing comprising a iixed jaw member integral with said casing and a movable aw member having a lower depending portion pivoted within said casing, said fixed jaw portion consisting of a single supporting frame member terminating in a semicircular collar portion, said collar portion having lug members cast on the lower edge thereof, a plurality of vertical iiexible bar members having their lower ends fixed to the top of said casing and their upper ends attached to said lug members by means of screws, a centrally and horizontally disposed flexible bar member attached to said supporting frame member and said vertical bar members, said movable jaw member being similarly constructed with respect to supporting frame member, vertical bars, and horizontal bars, a cam lever pivoted within said casing and having an operating lever extension arm protruding therefrom and adapted to engage on its cam surface with one side of a dependingr portion of one half of said cage located within said casing, a link mem ber pivoted to said cam and slidably attached to the side of said depending member, a tubular base member attached to the bottom of said casing, a tension spring attached within said tubular member at one end and anchored to said cam at its other end.

2. An incandescent lampI socket remover consisting of a. box-like casing, a cage member located at the upper side of said casing and a tubular member located at the under Side of said casing, said cage member comprising a fixed j aw portion integral with said casing and a movable jaw portion pivoted on said casing, a cam lever pivoted within said casing having a protruding extension arm, said cam lever adapted to engage on its cam surface with the side of a lower depending portion of said movable jaw member, a tension spring located within said tubular member having one end attached to said tubular member the other end anchored to said cam lever.'

3. An incandescent lamp socket remover comprising a casing adapted to receive pivoted locking members, an upper split cage member adapted to surround the lamp and and socket and engage said socket, said cage comprising two symmetrical halves one of which is solidly fixed to said casing and the other of which is pivoted within said casing, 'a cam lever pivoted within said casing and having an operating lever extension arm protruding therefrom and adapted to engage on its cam surface with one side of a depending portion of a pivoted half of said cage located within said casing, a link member pivoted to said cam and slidably attached to the side of said depending member, a tubular base member attached to the bottom of said casing, a tension spring attached Within said tubular member at one end and anchored to said cam lever atits other end.

4. An incandescent lamp socket remover comprising a casing adapted to house pivoted locking members, a split cage member located above said casing comprising a fixed jaw member, said fixed jaw member being integra-l with the said casing, and a movable 'Jaw member having a lower depending por- I tion pivoted within said casing, each of said jaw members provided at their upper eX- tremities with semi-circular collar portions adapted to surround and engage said lamp socket, a cam lever pivoted within said casing and having an operating lever extension arm protruding from said casing, said cam lever adapted to engage on its cam surface with one side of said depending portion of movable jaw member, a link member pivoted to said cam and slidably attachedto the side of said depending member, a tubular base member attached to the bottomv of said casing, a tension spring attached within said tubular member at one end and anchored to said cam at its other end.

5. An incandescent lamp socket remover v comprising a casing adapted to house pivoted operative members, a split cage member located above said casing comprlslng a iXed Jaw member, said )aw member being integral with said casing, and a movable jaw member having a lower depending portion pivoted within said casing, each of said j aw members provided at their upper extremities with'complementary collar portions adapted to pass over and engage said lamp socket, a cam lever pivoted within said casing and having an op-k erating lever extension arm protruding from said casing, said cam lever adapted to engage on its cam surface with an inner cam surface of said depending portion of the movable jaw member, a link member pivoted to said cam and slidably attached to said depending member, a tubular base member attached to the bottom of said casing, a tension spring located within said tubular member, said tension spring having the lower end fastened within tubular member and the upper end internally anchored to said cam, said cam surface and said depending surface having centrally disposed internal channels provided for tension spring extremityk to follow cam travel. Y Y e In testimony whereof ,I have aiixed my signature. v

FLOYD vL. PALMER. 

